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Single Family ResidenceResidential
$692,897$311 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $273,000 on Jun 16, 2000

18 RIVERDALE RD

DEDHAM, MA 02026
4
Beds
2.5
Baths
2,230 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$693K
$622K low$764K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$273,000 · Jun 16, 2000
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$302,797
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$242,238
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.51%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$330,100
ROCKET MORTGAGE · R · recorded Sep 22, 2021
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$60,000
ROCKET MORTGAGE

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,579 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$759,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$337,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$421,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$822,795

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyNORFOLK
Lot (acres)The size of the land the home sits on, from county records.0.20
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(10)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
RiverdaleC-
Elementary · Grades 1–5 · 0.1 mi
M
Dedham Middle SchoolB+
Middle · Grades 6–8 · 2.0 mi
H
Dedham High SchoolB
High · Grades 9–12 · 2.0 mi

District: Dedham School District

Neighborhood · ZIP 02026These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.25,745
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,390 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$125,985
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,542
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

18 Riverdale Rd measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Costs less per square foot than 98% of homes in Dedham 02026
  • Bigger than 80% of homes in Dedham 02026
  • Has a smaller lot than 75% of homes in Norfolk County

What homes are worth in Dedham 02026

Each bar is how many homes fall in that price range. The marker is this home.

This home
$388K$2.2M

This home is worth more than 42% of homes in Dedham 02026.

How it measures up in Dedham 02026

The dot is this home. The mark in the middle is the typical home in Dedham 02026.

Estimated value$692,897
CheaperTypical $728,830Pricier

Pricier than 42% of homes nearby

Price per ft²$311
CheaperTypical $487Pricier

Pricier than 2% of homes nearby

Living area2,230 ft²
SmallerTypical 1,533 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.2 ac
SmallerTypical 0.22 acBigger

Bigger than 44% of homes nearby

Year built1954
OlderTypical 1951Newer

Newer than 58% of homes nearby

How 18 Riverdale Rd ranks against every home in each area.
MeasureThis homeDedham 02026Norfolk County
Estimated valuepricier than$692,89742% of homes44% of homes
Price per ft²pricier than$3112% of homes8% of homes
Living areabigger than2,230 ft²80% of homes71% of homes
Lot sizebigger than0.2 ac44% of homes25% of homes
Year builtnewer than195458% of homes44% of homes

About 18 Riverdale Rd

How much is 18 Riverdale Rd, Dedham, MA worth?

The TopHap Estimate for 18 Riverdale Rd, Dedham, MA is $692,897 as of Jul 14, 2026. The likely range is $621,710 to $764,084. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Riverdale Rd, Dedham, MA last sell?

18 Riverdale Rd, Dedham, MA last sold on Jun 16, 2000 for $273,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18 Riverdale Rd, Dedham, MA?

18 Riverdale Rd, Dedham, MA has 4 bedrooms, 2.5 bathrooms, 2,230 square feet of living space and a 0.20-acre lot.

When was 18 Riverdale Rd, Dedham, MA built?

18 Riverdale Rd, Dedham, MA was built in 1954, making it 72 years old. It is a cape cod home. The building has 2 stories.

What schools serve 18 Riverdale Rd, Dedham, MA?

18 Riverdale Rd, Dedham, MA is assigned to Riverdale (elementary), rated C-; Dedham Middle School (middle), rated B+; Dedham High School (high), rated B. All sit in Dedham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Riverdale Rd, Dedham, MA compare to other homes in Dedham 02026?

Among the 7,991 homes in Dedham 02026, it is worth more than 42% of them ($692,897 against a typical $728,830), its price per square foot is higher than 2% of them ($311 against a typical $487), it is bigger than 80% of them (2,230 ft² against a typical 1,533 ft²), its lot is bigger than 44% of them (0.2 ac against a typical 0.22 ac) and it is newer than 58% of them (1954 against a typical 1951). Measured against all of Norfolk County, it is worth more than 44% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18 Riverdale Rd, Dedham, MA?

The 2025 property tax bill for 18 Riverdale Rd, Dedham, MA was $9,579. The county assessed it at $759,000.

Closest homes

More homes in Dedham 02026

Assigned schools

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